#include <iostream>

int sum(int a,int b)
{
    int z = 0;
    z = a+b;
    return z;
}
int main()
{
    int a=0, b= 0;
    std::cin >> a >> b;
    int ret = sum(a,b);
    std::cout << "sum: a,b ==" << ret << std::endl;
    return 0;
} 